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| author | tomsmeding <tom.smeding@gmail.com> | 2020-01-05 20:44:27 +0100 |
|---|---|---|
| committer | tomsmeding <tom.smeding@gmail.com> | 2020-01-05 20:44:27 +0100 |
| commit | 8421f2c03d6f905b58b5447a6e0469519c7f8fa6 (patch) | |
| tree | 6258db477e638c43a6c51cb0549c070fb0f8f9b2 /src/util.rs | |
Initial
Diffstat (limited to 'src/util.rs')
| -rw-r--r-- | src/util.rs | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/src/util.rs b/src/util.rs new file mode 100644 index 0000000..b17e304 --- /dev/null +++ b/src/util.rs @@ -0,0 +1,7 @@ +pub fn read_big_endian(bytes: &[u8], bits: usize) -> usize { + bytes + .iter() + .enumerate() + .map(|(i, &b)| (b as usize) << (bits * (bytes.len() - 1 - i))) + .sum() +} |